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    <title>开屏广告</title>
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<body id="ad">
    <header class="ad-head">源码时代</header>
    <main class="ad-main">
        <a href="login.html"><span id="time">5</span> s  |  跳过</a>
        <p>HOLD ON</p>
    </main>
</body>

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